Added integration tests for Private Image Sharing

[ezilber-akamai]

📝 Description

Corrected some incorrect data types and added integration tests for Private Image Sharing

✔️ How to Test

Unit Testing

make test-unit

Integration Testing

make test-int TEST_ARGS="-run TestImageSharing_Suite"

[Copilot]

Pull Request Overview

This PR adds integration tests for Private Image Sharing functionality and corrects several data type inconsistencies in the codebase. The changes ensure proper field naming alignment between the API responses and the Go struct definitions, while adding comprehensive end-to-end testing coverage.

• Corrected field names in image sharing structures to match API responses
• Fixed data type from int to string for private image ID parameters
• Added comprehensive integration tests covering the full image sharing workflow
• Updated request handling to support POST operations for paginated results

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/unit/images_test.go	Removed duplicate assertion line in unit test
test/unit/image_sharegroups_producer_test.go	Updated field names and parameter types to match corrected API schema
test/unit/fixtures/image_sharegroup_producer_add_images.json	Added proper JSON wrapper structure with data field
test/unit/fixtures/image_get_private_shared.json	Corrected field name in JSON fixture
test/integration/image_sharegroups_test.go	Added comprehensive integration test suite covering full image sharing workflow
test/integration/fixtures/TestImageSharing_Suite.yaml	Added test fixture data for integration tests
request_helpers.go	Added support for POST method in paginated request handling
images.go	Corrected field name in ImageSharingSharedWith struct
image_sharegroups_producer.go	Updated field names, parameter types, and method implementation

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[lgarber-akamai]

Tests are passing on my end, great work!

(Failing CI is a recurring fixtures issue unrelated to this PR)